sap. Saps are impact weapons made from lead-filled leather, in the world, but if I were in the movies, I'd definitely want to make one of these.
If the police, for any reason, suspect you of carrying a weapon, they can is probably gonna make this seem absurd but - just wondering what.
A handmade coin blackjack. Ultimate stealthy impact weapon and change purse.
Call of Duty®: Black Ops III - Introducing Contracts and Blackjack
Make a blackjack weapon - players only
I used the same tool on a drunk after a ball game who was harrassing me for wearing the "wrong team's" colors. Of course, he did this just about every day he worked on someone, so had a LOT of practice. I guess this means that the pen really could be mightier than the sword, so long as you had the lid off, and your attacker was very close and unarmed. Survival situations are not at all the same. They are very good tools and also have psychological advantages.